The invention provides a display panel, a display device and a display panel manufacturing method and aims to solve a technical problem of short circuit of metal layer wires of a display panel in theprior art. The display panel includes a bending area, wherein the bending area includes a flexible substrate, the flexible substrate is provided with wires of second metal layers which extend along the first direction and are arranged along the second direction, any two adjacent wires are isolated through a blocking member, the first direction is the bendable direction of the display panel, the second direction is perpendicular to the first direction, and a material of the blocking members is an insulation material.